1. Auto Calibration:smart automatic calibration system, which allows the build plate to probe and adjust the build plate’s and extruder z-axis height and tilt angle during printing. Thus avoiding print wrapping and even prevent mechanical damage of printing head or build plate.

2. Filament monitoring: Filament monitoring equipment can install in MBot Grid II+ Single Head. It will accurately detect the filament feeding condition and automatically pause the print if abnormal happen without effecting the printing process, so you can fix the filament loading and resume print easily and avoid filament wasting.

1. Connect computer and 3D printer

Turn on the MBot Grid II+ , connect the printer to computer with USB port

2. Selecting firmware

Run the “AvrdudeTool.exe”, click the “open Hex” and select the firmware for example “mbot_grid2plus_v7.7.1.hex”

Different model MBot 3D Printer have different firmware

3. Installing firmware

Click the “reset” button on the mother board and the “update” on the computer, you should click these buttons quickly, if it doesn’t work, you can try it again

4. Message display

When the installing is success, it will show message as on the picture

Please follow the above steps. Any other problems and questions, contact us at support@mbot3d.com